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• Criti* Area Planting 3424 <br /> Time of seeding <br /> Grasses , legumes and other seeded species shall be planted within the seeding <br /> periods specified in Table 1, with the provision that up to 10 days tolerance <br /> from the specified periods may be allowed for the purpose of adapting to local <br /> soil moisture conditions . Rocky Mountain penstemon, hairy vetch, milkvetch <br /> and Indian ricegrass should be planted in the fall so that freezing and thawing <br /> can break seed dormancy for spring germination. <br /> Table 1. _ Seeding dates for Critical Area Plantings <br /> Cool Season Plants Warm Season Plants <br /> MLRA* Dormant-Spring Summer Dormant-Spring Summer <br /> D-34A, B,C, Oct 15-Apr 30 Jul 15-Aug 31 Oct 15-Apr 30 Jun 15-Jul 15 <br /> D-35,D-37 , <br /> D-39 <br /> E-48A,E-488, Oct 1-Apr 30 Jun 15-Jul 15 1/ Oct 1-Apr 30 Jun 15-Jul 15 <br /> E-49.A,E-498 Oct 15-May 15 Aug 1-Aug 31 2/ Oct 15-play 31 <br /> E.51_, ,; - ;=..:; ••:; Oct a-15-Apr,,15 ; - .Jun 15-Ju1..15 - ._ .Oct .15-Apr-15., ,-Jun. 15-Jul 15 <br /> G-67 So.Colu. Nov 1-Apr 30 Aug 15-Sep 15 2/ Nov 1-May 31 <br /> G-70,H-77 <br /> G-67 No.Colo. Oct 15-May 15 Aug 15-Sep 15 Z/ Nov 1-May 31 <br /> H-72 <br /> G-69A,G-69B Nov 1-Apr 30 Aug 15-Sep 15 Nov 1-May 31 <br /> *;Major Land Resource Area <br /> 1/ Applicable to MLRA E-48A and E-48B on eastern slope of Rocky Mountains. <br /> 2/ Applicable to irrigated sites. <br /> Rates of seeding <br /> Seeding rates shall be in accordance with Colorado Agronomy Technical Note #61 , <br /> "Seeding Rates" dated March 16, 1981. Purity and germination tests for all lots <br /> of seed shall be less than one year old. <br /> Selection of species <br /> Species planted shall be selected from the cables of "Perennial Grasses and Forbs <br /> for Critical Area Plantings" and from the table of "Woody Plants for Critical Area <br /> Plantings" to this specification. (Tables 2 through 12) . Use the attached <br /> map of Major Land Resource Areas as a guide to the plant tables . The tables list <br /> species chat are normally available on a commercial basis . Ocher plants that are <br /> indigenous to the site may also be planted whenever available. <br /> rcr n10 <br /> 7 USDA/SCS/Colorado-7/81 <br />